DE296146C - - Google Patents
Info
- Publication number
- DE296146C DE296146C DENDAT296146D DE296146DA DE296146C DE 296146 C DE296146 C DE 296146C DE NDAT296146 D DENDAT296146 D DE NDAT296146D DE 296146D A DE296146D A DE 296146DA DE 296146 C DE296146 C DE 296146C
- Authority
- DE
- Germany
- Prior art keywords
- light
- flashlight
- diaphragm
- dimming device
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE296146C true DE296146C (fr) | 1900-01-01 |
Family
ID=550559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT296146D Expired DE296146C (fr) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE296146C (fr) |
-
0
- DE DENDAT296146D patent/DE296146C/de not_active Expired
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